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vers4
Author:
David Travis
GeoGebra
New Resources
Napoleon's Theorem
Play C3 E3 G3 C4_C4
Rose Curve - A Classical Construction
Bottema's Theorem
Drag that Point!
Discover Resources
Parallelogram & Trapezium Area & Perimeter
transparency
dilation ratios(colbysklar)
Tangent's Angles with Circle
Rotating Pyramid 3D
Discover Topics
Coordinates
Similar Triangles
Integers
Quadrilaterals
Distributions